package edu.hubu;

/**
 * @author moonlan
 * date 2021/5/17 12:47
 */
@SuppressWarnings(value = "unused")
public abstract class OperatingSystemVersion {
    protected OperatingSystemVersion(VideoFile videoFile) {
        this.videoFile = videoFile;
    }

    public abstract void play(String file);

    private final VideoFile videoFile;

    public VideoFile getVideoFile() {
        return videoFile;
    }
}
